LeonaBio, Inc. SEC filings LONA
LeonaBio, Inc. has 469 filings in SEC EDGAR's recent list, going back to Oct 3, 2014. Its latest annual report, Form ARS, was filed on May 11, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 22, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Other events
|
Sep 22, 2026 | Sep 18, 2026 |
| 8-K |
Current report
Other events
|
Aug 26, 2026 | Aug 26, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 14, 2026 | Aug 14, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 23, 2026 | Jun 22, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 7, 2026 | May 7, 2026 |
| 8-K/A |
Amended current report
Acquisition or sale of assets
|
Mar 31, 2026 | Dec 18, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 26, 2026 | Mar 26, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
Mar 19, 2026 | Mar 18, 2026 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure, Other events
|
Jan 9, 2026 | Jan 7, 2026 |
| 8-K/A |
Amended current report
Material agreement, Unregistered share sale, Regulation FD disclosure, Other events
|
Dec 18, 2025 | Dec 18, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure, Other events
|
Dec 18, 2025 | Dec 18, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 6, 2025 | Nov 6, 2025 |
| 8-K |
Current report
Other events
|
Oct 3, 2025 | Oct 2, 2025 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change
|
Sep 11, 2025 | Sep 10, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 7, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 2, 2025 | May 29, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 9, 2025 | May 9, 2025 |
| 8-K |
Current report
Listing notice
|
Apr 16, 2025 | Apr 15, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 27, 2025 | Feb 27, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 7, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Listing notice, Other events
|
Oct 18, 2024 | Oct 16, 2024 |
| 8-K |
Current report
Officer or director change
|
Oct 7, 2024 | Oct 1, 2024 |
| 8-K |
Current report
Exit or restructuring costs, Officer or director change
|
Sep 17, 2024 | Sep 15, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 3, 2024 | Sep 3, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 1, 2024 | Aug 1, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 29, 2024 | May 23, 2024 |
| 8-K |
Current report
Other events
|
May 17, 2024 | May 3, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 15, 2024 | May 15, 2024 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure
|
Feb 22, 2024 | Feb 21, 2024 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Jan 8, 2024 | Jan 4, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 9, 2023 | Nov 9, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 10, 2023 | Aug 10, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
May 22, 2023 | May 18, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 11, 2023 | May 11, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 23, 2023 | Mar 23, 2023 |
| 8-K |
Current report
Material agreement, Results of operations
|
Jan 6, 2023 | Jan 6, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Nov 18, 2022 | Nov 15, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 10, 2022 | Nov 10, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 17, 2022 | Oct 17, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 15, 2022 | Aug 15, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 22, 2022 | Jun 22, 2022 |
| 8-K |
Current report
Shareholder vote results
|
May 24, 2022 | May 19, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 12, 2022 | May 12, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 24, 2022 | Mar 24, 2022 |
| 8-K |
Current report
Officer or director change
|
Mar 21, 2022 | Mar 18, 2022 |
| 8-K |
Current report
Officer or director change, Other events
|
Jan 31, 2022 | Jan 27, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 10, 2021 | Nov 10, 2021 |
| 8-K |
Current report
Officer or director change, Other events
|
Oct 21, 2021 | Oct 18, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 16, 2021 | Aug 16, 2021 |
| 8-K |
Current report
Other events
|
Aug 9, 2021 | Aug 4, 2021 |
| 8-K |
Current report
Officer or director change
|
Jun 21, 2021 | Jun 16, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 1, 2021 | May 27, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 13, 2021 | May 13, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 25, 2021 | Mar 25, 2021 |
| 8-K |
Current report
Officer or director change
|
Mar 8, 2021 | Mar 4, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 11, 2021 | Jan 8, 2021 |
| 8-K |
Current report
Officer or director change
|
Dec 14, 2020 | Dec 11, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 12, 2020 | Nov 12, 2020 |
Showing 58 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- LONA (Nasdaq)
- Fiscal year ends
- December 31
- Headquarters
- Bothell, WA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1620463
- Former names
- Athira Pharma, Inc. (until Jan 8, 2026); M3 Biotechnology, Inc. (until Jan 23, 2019)
Other Biological Products, (No Diagnostic Substances) companies
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- Gilead Sciences, Inc. GILD
- Moderna, Inc. MRNA
- Argenx SE ARGX
- Revolution Medicines, Inc. RVMD
- Biogen Inc. BIIB
- BioNTech SE BNTX
- Exelixis, Inc. EXEL
All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.